ML041840171

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Technical Specifications, Regarding Direct Current (DC) Electrical Power Systems
ML041840171
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 07/01/2004
From:
NRC/NRR/DLPM/LPD4
To:
References
TAC MC9532, TAC MC9533
Download: ML041840171 (11)
v • d • e


Text

TABLE OF CONTENTS (continued) 3.7 PLANT SYSTEMS ....................................................... 3.7-1 3.7.1 Main Steam Safety Valves (MSSVs) ....................................................... 3.7-1 3.7.2 Main Steam Isolation Valves (MSIVs) ........................................................ 3.7-6 3.7.3 Feedwater Isolation Valves (FIVs) and Associated Bypass Valves ............... 3.7-8 3.7.4 Steam Generator Atmospheric Relief Valves (ARVs) .................................... 3.7-10 3.7.5 Auxiliary Feedwater (AFW) System ....................................................... 3.7-12 3.7.6 Condensate Storage Tank (CST) ........................................................ 3.7-16 3.7.7 Component Cooling Water (CCW) System .................................................... 3.7-17 3.7.8 Station Service Water System (SSWS) ........................................................ 3.7-19 3.7.9 Ultimate Heat Sink (UHS) ....................................................... 3.7-22 3.7.10 Control Room Emergency Filtration/Pressurization System (CREFS) .......... 3.7-23 3.7.11 Control Room Air Conditioning System (CRACS) .......................................... 3.7-26 3.7.12 Primary Plant Ventilation System (PPVS) - ESF Filtration Trains .................. 3.7-29 3.7.13 Fuel Building Air Cleanup System (FBACS) - Not used................................. 3.7-32 3.7.14 Penetration Room Exhaust Air Cleanup System (PREACS) - Not used ....... 3.7-33 3.7.15 Fuel Storage Area Water Level ....................................................... 3.7-34 3.7.16 Fuel Storage Pool Boron Concentration ........................................................ 3.7-35 3.7.17 Spent Fuel Assembly Storage ....................................................... 3.7-36 3.7.18 Secondary Specific Activity.............................................................................3.7-42 3.7.19 Safety Chilled Water System ....................................................... 3.7-43 3.7.20 UPS HVAC System ....................................................... 3.7-45 3.8 ELECTRICAL POWER SYSTEMS ........................................................ 3.8-1 3.8.1 AC Sources -Operating ....................................................... 3.8-1 3.8.2 AC Sources - Shutdown ........................................................ 3.8-17 3.8.3 Diesel Fuel Oil, Lube Oil, and Starting Air ...................................................... 3.8-21 3.8.4 DC Sources - Operating ....................................................... 3.8-24 3.8.5 DC Sources -Shutdown ........................................................ 3.8-28 3.8.6 Battery Parameters ...................... 3.8-30 3.8.7 Inverters - Operating ...................... 3.8-34 3.8.8 Inverters -Shutdown ...................... 3.8-36 3.8.9 Distribution Systems -Operating ...................... 3.8-38 3.8.10 Distribution Systems -Shutdown ...................... 3.8-40 (continued)

COMANCHE PEAK - UNITS 1 AND 2 ill Amendment No.-!4, 113

DC Sources - Operating 3.8.4 3.8 ELECTRICAL POWER SYSTEMS 3.8.4 DC Sources - Operating LCO 3.8.4 The Train A and Train B DC electrical power subsystems shall be OPERABLE.

APPLICABILITY: MODES 1, 2, 3, and 4 ACTIONS .

CONDITION REQUIRED ACTION COMPLETION TIME A. One or two required battery A.1 Restore affected 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> chargers on one train battery(ies) terminal inoperable. voltage to greater than or equal to the minimum established float voltage.

AND A.2 Verify affected battery(ies) Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> float current < 2 amps.

AND A.3 Restore required battery 7 days charger(s) to OPERABLE status.

B. One or two batteries on B.1 Restore affected 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> one train inoperable. battery(ies) to OPERABLE status.

(continued)

COMANCHE PEAK - UNITS I AND 2 3.8-24 Amendment No. 64 ,113

DC Sources - Operating 3.8.4 ACTIONS (continued)__ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

CONDITION REQUIRED ACTION COMPLETION TIME C. One DC electrical power C.1 Restore DC electrical 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> subsystem inoperable for power subsystem to reasons other than OPERABLE status.

Condition A or B.

D. Required Action and D.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> I Associated Completion Time not met. AND D.2 Be in MODE 5. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> I COMANCHE PEAK- UNITS 1 AND 2 3.8-25 Amendment No. 64,113

DC Sources - Operating 3.8.4 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.4.1 Verify battery terminal voltage is greater than or equal to 7 days the minimum established float voltage.

SR 3.8.4.2 Verify each battery charger supplies 2 300 amps at 18 months greater than or equal to the minimum established charger test voltage for 2 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

OR Verify each battery charger can recharge the battery to the fully charged state within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> while supplying the largest combined demands of the various continuous steady state loads, after a battery discharge to the bounding design basis event discharge state.

I (continued)

COMANCHE PEAK - UNITS 1 AND 2 3.8-26 Amendment No. 641, 66, 7-5,1 13

DC Sources - Operating 3.8.4 SURVEILLANCE REQUIREMENTS (continued)

SURVEILLANCE FREQUENCY SR 3.8.4.3 -------- NOTES - ------

1. The modified performance discharge test in SR 3.8.6.6 may be performed in lieu of SR 3.8.4.3.
2. Verify requirement during MODES 3, 4, 5, 6 or with core off-loaded.

18 months Verify battery capacity is adequate to supply, and maintain in OPERABLE status, the required emergency loads for the design duty cycle when subjected to a battery service test.

COMANCHE PEAK - UNITS 1 AND 2 3.8-27 Amendment No. 7-5, 64 ,113

DC Sources - Shutdown 3.8.5 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME A. (continued) A.2.4 Initiate action to restore Immediately required DC electrical power subsystem to OPERABLE status.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.5.1 --- NOTE----

The following SRs are not required to be performed:

SR 3.8.4.2 and SR 3.8.4.3.

I For DC sources required to be OPERABLE, the following In accordance with SRs are applicable: applicable SRs SR 3.8.4.1 SR 3.8.4.2 SR 3.8.4.3.

COMANCHE PEAK - UNITS 1 AND 2 3.8-29 Amendment No. 64,1 13

Battery Parameters I 3.8.6 3.8 ELECTRICAL POWER SYSTEMS 3.8.6 Battery Parameters I LCO 3.8.6 Battery parameters for Train A and Train B batteries shall be within limits.

I APPLICABILITY: When associated DC electrical power subsystems are required to be OPERABLE ACTIONS

-___ _____ NOT E------ -- ----- - -----

Separate Condition entry is allowed for each battery.

CONDITION REQUIRED ACTION COMPLETION TIME A. One or two batteries on A.1 Perform SR 3.8.4.1 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> one train with one or more battery cells float voltage AND

<2.07 V.

A.2 Perform SR 3.8.6.1 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> AND A.3 Restore affected cell(s) float 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> voltage 2 2.07 V.

B. One or two batteries on B.1 Perform SR 3.8.4.1 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> one train with float current

> 2 amps. AND B.2 Restore affected 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> battery(ies) float current to

< 2 amps.

(continued)

COMANCHE PEAK - UNITS 1 AND 2 3.8-30 Amendment No. 64,113

Battery Parameters l 3.8.6 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME

NOTE--- --------

Required Action C.2 shall be Required Actions C.1 and C.2 are completed if electrolyte level only applicable if electrolyte level was below the top of plates. was below the top of plates.

C. One or two batteries on C.1 Restore affected cell(s) 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> one train with one or more electrolyte level to above cells electrolyte level less the top of the plates.

than minimum established design limits. AND C.2 Verify no evidence of 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> leakage.

AND C.3 Restore affected cell(s) 31 days electrolyte level to greater than or equal to minimum established design limits.

D. One or two batteries on D.1 Restore battery pilot cell(s) 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> one train with pilot cell electrolyte temperature to electrolyte temperature greater than or equal to less than minimum minimum established established design limits. design limits.

E. One or more batteries in E.1 Restore battery parameters 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> redundant trains with for batteries in one train to battery parameters not within limits.

within limits.

(continued)

COMANCHE PEAK - UNITS 1 AND 2 3.8-31 Amendment No. 64 ,113

Battery Parameters l 3.8.6 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME F. Required Action and F.1 Declare associated Immediately associated Completion battery(ies) inoperable.

Time of Condition A, B. C, D, or E not met.

OR One or two batteries on one train with one or more battery cells float voltage

< 2.07 V and float current

> 2 amps.

SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.6.1 NOTE ----------------------

Not required to be met when battery terminal voltage is less than the minimum established float voltage of SR 3.8.4.1 Verify each battery float current is < 2 amps. 7 days SR 3.8.6.2 Verify each battery pilot cell voltage is > 2.07 V. 31 days SR 3.8.6.3 Verify each battery connected cell electrolyte level is 31 days greater than or equal to minimum established design limits.

(continued)

COMANCHE PEAK- UNITS 1 AND 2 3.8-32 Amendment No. 64 ,113

Battery Parameters l 3.8.6 SURVEILLANCE REQUIREMENTS (Continued)

- SURVEILLANCE FREQUENCY SR 3.8.6.4 Verify each battery pilot cell temperature is greater than 31 days or equal to minimum established design limits.

SR 3.8.6.5 Verify each battery connected cell voltage is 2 2.07 V. 92 days SR 3.8.6.6 -I----N I Verify requirement during MODES 3, 4, 5, 6 or with core off-loaded.

Verify battery capacity is > 80 % of the manufacturer's 60 months rating when subjected to a performance discharge test or a modified performance discharge test. AND 18 months when battery shows degradation or has reached 85% of expected life with capacity< 100% of manufacturer's rating AND 24 months when battery has reached 85% of the expected life with capacity> 100% of manufacturer's rating J.

COMANCHE PEAK - UNITS 1 AND 2 3.8-33 Amendment No. 64 ,113

Programs and Manuals 5.5 5.5 Programs and Manuals (continued) 5.5.19 Battery Monitoring and Maintenance Program This Program provides for restoration and maintenance, based on the recommendations of IEEE Standard 450, IEEE Recommended Practice for Maintenance, Testing, and Replacement of Vented Lead-Acid Batteries for Stationary Applications," or of the battery manufacturer for the following:

a. Actions to restore battery cells with float voltage < 2.13 V, and
b. Actions to equalize and test battery cells that had been discovered with electrolyte level below the top of the plates.

COMANCHE PEAK - UNITS I AND 2 5.0-28a Amendment No. 113

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